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If I told you a recent study showed that a majority of modern dog species have wolf DNA, you’d probably mutter something along the lines of “shocker: fork found in kitchen”.

Except that the research, published in Proceedings of the National Academy of Sciences ( PNAS), found that just two-thirds of modern dogs have detectable wolf DNA – and it is likely not an ancient remnant from their wilder ancestor, from which they separated tens of thousands of years ago.

Instead, it seems that the gene may have come from more recent interbreeding between dogs and wolves within the last few thousand years.

In fact, the study reads, “Ancient [dog] genomes from the Roman era... show no evidence of wolf ancestry... nor has wolf ancestry been detected in ancient dogs in

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